General Electric IS220PSCAH1A Fuel Engine

The GE IS220PSCAH1A is a Power Supply Control Assembly (PSCA) module designed for use in GE’s Mark VIe control system, a part of the company’s advanced turbine control solutions. The IS220PSCAH1A module provides regulated low-voltage power and monitoring functions to connected I/O modules, ensuring safe and stable operation in demanding industrial environments. It serves a dual function—both as a regulated power supply and a protective interface for system components.

This model is widely used in high-performance and safety-critical systems such as gas and steam turbines, where consistent power and system protection are essential. It supports system diagnostics, overload protection, and hot-swap functionality, contributing to reduced downtime and improved reliability.

Technical Specifications

Product Applications

The IS220PSCAH1A is primarily used in:

• Gas and Steam Turbine Control Systems

• Boiler and Generator Management

• Power Plant Automation Systems

• Petrochemical and Refinery Control

• Industrial Process Control

• Redundant or Safety-Critical Power Supply Systems

This module supports both standalone and networked system configurations, contributing to modular and scalable power control architectures.

Product Advantages

• Dual Role Functionality: Combines power supply and interface module in one, reducing component count.

• High Reliability: Engineered for continuous operation under harsh industrial conditions.

• Diagnostic Capability: Integrated with system health monitoring and reporting.

• Modular Design: Supports quick installation and maintenance with hot-swap capability.

• System Compatibility: Fully compatible with GE’s Mark VIe control architecture.

• Compact & Lightweight: Space-saving design suitable for confined cabinets.

• Comprehensive Protection: Protects downstream modules with overvoltage and current limiting.

• Certified & Safe: Meets international standards for industrial use.

Frequently Asked Questions (FAQ)

Q1: What is the function of IS220PSCAH1A in the control system?

A1: It acts as a power supply and interface for I/O modules, providing regulated voltages and system diagnostics.

Q2: Can the IS220PSCAH1A be hot-swapped during operation?

A2: Yes, it supports hot-swapping, allowing maintenance without system shutdown.

Q3: Is the module compatible with Mark VI systems?

A3: No, IS220PSCAH1A is specifically designed for Mark VIe systems, not legacy Mark VI.

Q4: What voltages does it output?

A4: It provides multiple regulated outputs: 3.3V, 5V, and ±15V DC.

Q5: How is the module mounted?

A5: It can be mounted on a DIN rail or directly onto a panel, depending on the enclosure design.

Q6: What happens if there’s an overload or short circuit?

A6: Built-in protection shuts down the output safely to prevent damage.

Q7: Can this module be used in high-temperature environments?

A7: Yes, it operates reliably from –30°C to +65°C ambient temperature.

Q8: Does the IS220PSCAH1A support any kind of remote diagnostics?

A8: Yes, it integrates with the IONet network for system monitoring and diagnostics.

Q9: What’s the physical size of this module?

A9: The dimensions are 160 × 160 × 120 mm.

Q10: Is it available with international compliance certifications?

A10: Yes, it is CE-marked, UL-certified, and RoHS-compliant.